Description
The Schlage L9010 M51B 643E is an extra heavy-duty mortise lock designed for high-traffic commercial environments including schools, hospitals, and factories. Built to ANSI Grade 1 standards, it features a heavy-gauge steel case, zinc dichromate-plated components, and anti-friction working parts that resist wear and abuse while maintaining dependable operation.
This lock supports ten functions in one universal case and accepts a variety of finishes and trim designs to match your aesthetic requirements. Field-reversible handing eliminates the need to open the case, and external spring cages enable simple trim retrofits. For compatibility guidance, keying options, and professional installation support, contact our authorized dealer team at sales@edlocks.com or 1-877-207-6067.
Specifications
- Brand: Schlage
- Model: L9010 M51B 643E
- Type: Mortise Lock
- Grade: ANSI Grade 1
- Series: L-Series Extra Heavy Duty
- Case Material: Heavy-gauge steel with full wrap
- Working Parts: Zinc dichromate-plated all-metal
- Security Features: Break-away spindle, hub blocking plate, spring-loaded fusible link for fail-secure fire mode
- Functions: Ten functions available in one case
- Handing: Field-reversible without opening case
- Mounting: Floating tabs adjust for beveled doors, thru-bolted trim
- Interior: Screwless shank-mounted lever, locking thumb-turn
